查询词典 p-phthalic acid

Amino desacetoxycephalosporanic acid (7 - ADCA) is an ampholyte.

7-氨基去乙酰氧基头孢霉烷酸是两性化合物，从等电点两侧改变溶液的 p H值都可以产生过饱和度并结晶得到晶体产品，本文对 7-ADCA两种方法结晶的初级成核过程进行了研究。

Compound 102 was isomerized into 103 when treated with p-toluenesulfonic acid in dichloromethane.

化合物102利用对苯甲酸进行双键异构化，得到化合物103。

Furthermore, the deduced amino acid sequences of PL1 and PL2 in common wheat were compared with the sequences of LMW-1(GenBank number Y18159)and LMW-2(GenBank number AJ007746)in durum wheat .

PL1与PL2的氨基酸序列比较显示，在N-末端和重复区域同源性很高；两者的主要差别在于：C-末端PL1编码的氨基酸序列有一段富含Q、P的16个氨基酸残基的缺失。

Results 1 .There were significant difference of the earlap inflammation caused by bimethylbenzene, the pain induced glacial acetic-acid, the penetrability of capillary vellsel in the abdominal cavity and the weight of rat cotton-ball granuloma between rhinitis capsule groups and vacant control groupp

结果 与空白对照组相比，大小剂量鼻炎胶囊组对小鼠二甲苯性耳壳炎症、冰醋酸致痛作用及其腹腔注射后导致毛细血管通透性增高和大鼠棉球肉芽肿均有抑制作用p

New composite sorbents for separating estrone were synthesized with the monomers of acrylamide and p-vinylbenzoic acid using estrone as the template.

以雌酚酮为模板剂，以丙烯酰胺和对乙烯基苯甲酸为单体合成出用于分离雌酚酮的新型复合吸附剂。

This issue through the mortar bar test or production of the concrete channel to study the color, the color white concrete methods; the use of inorganic pigments and titanium dioxide composite technology, outstanding preparation in prison and a better color fair-faced concrete; by optimizing the aggregate gradation, the use of high-quality, stable mineral admixture to improve concrete performance, color, white water of the large concrete fluidization; PW 42.5 the use of white cement and a new type of polycarboxylic acid superplasticizer in concrete to ensure good performance at the same time, reducing the water consumption of concrete, the preparation of a white water high-strength concrete.

本课题通过砂浆棒试验或混凝土色板的制作，研究彩色、白色混凝土的配色方法；采用无机颜料与钛白粉复合技术，配制出色牢性较好的彩色清水混凝土；通过优化骨料级配、使用高品质、稳定的矿物掺合料，提高混凝土的工作性能，实现彩色、白色清水混凝土的大流态化；采用 P.W 42.5的白水泥与新型的聚羧酸减水剂，在保证混凝土良好工作性能的同时，降低混凝土的用水量，配制出高强白色清水混凝土。

The fabrication of SiNW was used by "electroless etching" which was when (100) c-Si was immersed in the solution containing silver nitrate and hydrofluoric acid. Si was etched by fluoric ion and released electrons to combine with silver ion to form Ag particles.

制作矽奈米线阵列的方式为无电镀蚀刻法，系将一p-type(100)之矽基板置入氢氟酸与销酸银的混合蚀刻液中，当溶液中之氟离子与矽基板接触后，矽即被解离成矽离子并放出一颗电子。

This paper studies the pretreatment of glutamic acid broth .

对用壳聚糖絮凝处理谷氨酸发酵液的方法进行研究，讨论了 p H值、絮凝剂浓度、温度和搅拌时间对处理效果的影响。

In the crystal structure of the title compound,the independent p-hydroxybenzoic acid and hexamethylenetetramine molecules are arranged alternately and constructed the three-dimensional hydrogen-b.

在标题化合物的晶体结构中独立的对羟基苯甲酸分子和六次甲基四胺分子组交错排列，借助多种氢键形式形成三维氢键网络结构，其中弱氢键扮演着重要的角色

Results Hypoxanthine was administered via stomach, while unease inhibitor was injected subcutaneously by lanolin mixed with olefin, which made the uric acid in serum higher than control group about 12 hours.

结果 采用灌胃给予次黄嘌呤，皮下注射以羊毛脂石蜡油为溶剂配制的尿酸酶抑制剂，可使受试动物血尿酸值明显高于空白对照组(P.01)，且可维持12h。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。